What's not to like about mineral specimens? They sparkle. They come in deep, beautiful colors and strange ... Tanjeloff: The most common fakery is to take a single crystal and put it in a dramatic ...

“It was amazing listening to him talk about the business, and the pieces are absolutely beautiful ... “one of the most expensive objects in the entire universe of mineral specimens ...

Some of the world's rarest and most valuable geological specimens hide ... and they are just so beautiful," Mr Clark said. "You look at the chemistry of the minerals and you think 'that can ...

Our collections hold a diverse range of specimens from South Asia ... The colour comes from minerals found in the stone, the most dominant one being lazurite. The stone has been used for a wide range ...

They can be seen alongside a huge range of other extraordinary specimens, including one of the most comprehensive ... can also form beautiful deep red crystals as seen with this specimen. This is a ...

Learn how this rare hue shows up in the natural world with some of the Smithsonian’s bluest specimens ... minerals that have aggregated into a single solid. Lazurite is the most abundant mineral ...